/ Dictionary / Index P proportionable: Meaning and Definition of Find definitions for: pro•por•tion•a•ble Pronunciation: (pru-pôr'shu-nu-bul, -pōr'-), [key] — adj. being in due proportion; proportional. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proportionable (Thesaurus) proportion proportional Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language